package czx.wt.system.mapper;

import com.baomidou.mybatisplus.mapper.BaseMapper;
import czx.wt.system.pojo.RoleAuthorities;

/**
 * @Author: ChenZhiXiang
 * @Date: 2019/6/19 22:22
 * @Description: 角色权限数据层
 */
public interface RoleAuthoritiesMapper extends BaseMapper<RoleAuthorities> {
    /**
     * 删除角色权限表中已经不存在的权限
     * @return
     */
    int deleteTrash();
}
